Comparison

Relationship Tracker ‎ vs duo.

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Relationship Tracker ‎

Track the duration of your relationships with a beautiful interface and customizable backgrounds. Receive daily notifications and reminders for anniversaries. Share your relationship milestones easily with others.

Highlights
  • Relationship duration tracking
  • Customizable background images
  • Home screen widget
  • Daily notifications
  • Anniversary reminders
  • Share tracking with friends/family
  • Offline functionality
Features
Read full description

Simple, elegant design shows you how long you have been together with beautiful background images. There is also a widget to track your relationship on your home screen. Daily notifications remind you how long you have been together and remind you of an upcoming anniversary 1 week in advance and another reminder 1 day before your anniversary. • Easily share your relationship tracking with friends and family • Post your relationship tracking to Facebook with one click • Works offline • Countless beautiful background images • Great to use as wallpapers Please email us or leave review feedback for feature requests or any other improvement suggestions you have for Relationship Tracker. We love to hear from you and are always looking to improve our Relationship Tracker app! Please share Relationship Tracker with your friends and family! Relationship Tracker Terms of Use: https://zaffles.bitbucket.io/countdownTimer/terms_of_use.html Thanks! Team Zaffles

About

duo.

This app helps you organize your relationship by tracking gifts, planning dates, and sharing a calendar. It offers features like gift idea saving, date night planning, and a private journal to reflect on your relationship. It's designed to help you be a better partner with a structured system.

Highlights
  • Gift idea saving
  • Shared calendar
  • Date night planner
  • Milestone and anniversary tracking
  • Private journal with prompts
  • Love language signals
Features
Read full description

duo. — Your Private Relationship Organizer Be a better partner—without trying harder. duo is the all-in-one relationship organizer for people who want to show up better. You care. You just need a system. Track gifts, plan dates, share a calendar, and remember every moment that matters—all in one place. Start solo or invite your partner. duo works beautifully either way. GIFT IDEAS Save ideas instantly. Paste any link and duo fills in the photo, price, and details. Private or shared—your choice. Stay ready for birthdays, holidays, and surprises. SHARED CALENDAR Stay in sync with your partner. Track date nights, anniversaries, trips, and plans in one shared view. DATE NIGHT PLANNER Discover and save date ideas by mood—romantic, cozy, adventurous, or free. Plan meaningful time together in seconds. MILESTONES & ANNIVERSARIES Count down to the moments that matter. Get reminders so you never miss an important date again. BIRTHDAYS & PEOPLE Keep track of everyone who matters. Always show up on the right day with the right gift. RESTAURANTS & PLACES Save places to try and actually go to them. Get directions, menus, and reservations instantly. TRIPS & TRAVEL Plan trips from idea to booked. Track destinations, budgets, and packing lists together. BUCKET LIST & WATCHLIST Keep a running list of experiences, movies, and shows. No more “what do you want to do?” moments. PRIVATE JOURNAL Reflect on your relationship with guided prompts. Completely private, just for you. WHAT I NEED TODAY Send a simple signal—time, space, affection, or support. Built around the five love languages. YOUR PRIVACY MATTERS Your data is yours. No ads. No selling your information. Ever. FREE 14-DAY TRIAL Start free today. No credit card required. Cancel anytime. duo Pro — $5.99/month or $39.99/year Perfect for couples, newlyweds, long-distance relationships, gift givers, planners, and anyone who wants to show up better.

Screenshots

Relationship Tracker ‎4 screens
duo.4 screens

Verdict

The call

The clearest difference is ads: duo. at none against Relationship Tracker ‎'s shown. duo. also leads on review sentiment (100% vs 70%) and rating (5.0 vs 4.7). Relationship Tracker ‎'s advantage is ratings volume (1.7K vs 5). On price, in-app purchases, monetization model and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Relationship Tracker ‎ sells 4 in-app purchases, starting at $0.99 per month and duo. sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

duo. holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Relationship Tracker ‎ has 1.7K ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 70% of Relationship Tracker ‎'s written reviews are positive against 100% of duo.'s.

UpkeepUpdate frequency

Relationship Tracker ‎ ships an update every 3 weeks, duo. weekly. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

Scorecard6 real differences · 4 level
Relationship Tracker ‎ versus duo.: the parameters behind the verdict, then further details
ParameterRelationship Tracker ‎duo.
PriceFreeFree
Rating4.7 (1.7K ratings)5.0 (5 ratings) — better
Positive reviews70.0% of reviews100.0% of reviews — better
Number of ratings1.7K — better5
Update frequencyEvery 3 weeksWeekly — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhoneiPhone, iPod — better
Requires iOS17.615.1 — better
Further details — not scored
Size307 MB68 MB
Age rating4+4+
DeveloperZafflesChristopher Fusco

Customer experience

Relationship Tracker ‎

All ratings1,662 ratings
Positive91.9%
Neutral4.0%
Negative4.1%
Written reviews10 reviews
Positive70.0%
Neutral10.0%
Negative20.0%

duo.

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

4 purchases

Relationship Tracker ‎

Subscriptions2
  • Relationship Supporter/Monthly$0.991 Month
  • Relationship Supporter/Annual$4.991 Year
One-time2
  • Relationship Tracker Lifetime$2.99
  • Relationship Tracker Lifetime$6.99
2 purchases

duo.

Subscriptions2
  • duo Pro14 Days trial$5.991 Month
  • duo Pro Yearly14 Days trial$39.991 Year

Questions

Is Relationship Tracker ‎ free?
Relationship Tracker ‎ is free to download, with in-app purchases available.
Is duo. free?
duo. is free to download, with in-app purchases available.
Which has better reviews, Relationship Tracker ‎ or duo.?
duo. is rated higher. Relationship Tracker ‎ averages 4.7 out of 5 from 1.7K ratings, while duo. averages 5.0 from 5 ratings.
Do Relationship Tracker ‎ or duo. have ads?
Relationship Tracker ‎ shows ads; duo. does not.
Which is updated more often, Relationship Tracker ‎ or duo.?
Relationship Tracker ‎ ships an update every 3 weeks, and duo. weekly. Most recently, Relationship Tracker ‎ was updated on November 3, 2026 and duo. on October 31, 2026.

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